亚洲色怡人综合网站,国产性夜夜春夜夜爽,久久97AV综合,国产色视频一区二区三区

Radio (1895)

Though guys like James Clerk Maxwell, Nikola Tesla, and Thomas Edison all made important contributions to the development of radio technology, it was Guglielmo Marconi who built a wireless system capable of transmitting signals at long distances in 1895.

收音機（1895年）

盡管詹姆斯?克拉克?麥克斯韋、尼古拉?特斯拉和托馬斯?愛迪生等人都為收音機技術的研發做出了重要貢獻，然而是古列爾默?馬可尼在1895年造出了能夠遠距離傳輸信號的無線系統。